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24 August 2021 C-1982-057/Seneca II-W Mine PAR <br />Inspection Topic Summary <br />NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued <br />NA=Not Applicable <br />R -Air Resource Protection <br />R - Roads <br />R - Availability of Records <br />Y - Reclamation Success <br />N - Backfill & Grading <br />R - Revegetation <br />NA - Excess Spoil and Dev. Waste <br />Y - Subsidence <br />NA - Explosives <br />R - Slides and Other Damage <br />Y - Fish & Wildlife <br />NA - Support Facilities On -site <br />R - Hydrologic Balance <br />R - Signs and Markers <br />R - Gen. Compliance With Mine Plan <br />NA - Support Facilities Not On -site <br />N - Other <br />NA - Special Categories Of Mining <br />NA - Processing Waste <br />N - Topsoil <br />COMMENTS <br />This was a complete inspection of the Seneca IIW Mine, C 1982057, operated by Seneca Property LLC. The <br />inspection was conducted, images analyzed and the report prepared by me, Robin Reilley of the DRMS. Kevin <br />Copeland mine representative was present throughout the inspection. No hydrologic or air quality issues were <br />detected at the time of inspection. Skies were clear, with a breeze and temperatures was approximately 75 <br />degrees F. Deer and various aquatic birds and raptors were observed throughout the site. <br />MAINTENANCE ITEMS: <br />1. A replacement mine identification sign is required at the main entrance from the County Road. <br />2. Well casings for wells above Pond 16 should be repaired to prevent water seepage. <br />INSPECTION. - <br />GENERAL MINE PLAN COMPLIANCE: <br />Reclamation is complete and executed as permitted. Approximately 106.2 acres of Phase I released acres remain <br />for bond release. These acres comprise the main haul road, Pond 6 and the slide area above; Ponds 15 and 16 and <br />slide area on the east side of the site. Reclamation appears stable with well established vegetation. <br />ROADS Rule 4.03 <br />Construction 4.03.1(3), 4.03.2(3); Drainage 4.03.1(4), 4.03.2(4); Surfacing and Maintenance 4.03.1(5) and (6) <br />4.03.2(5) and (6). <br />o Main haul road was in good repair. <br />o Access roads were stable and in good condition. <br />o No rutted areas or areas of standing water were encountered. <br />HYDROLOGIC BALANCE- Rule 4.05 <br />General Requirements 4.05.1; Effluent Standards 4.05.2; Divergence and Conveyance of Overland Flow 4.05.3; <br />Diversions 4.05.4; Sediment Control Measures 4.05.5, 4.05.6; Discharge Structures 4.05.7; Impoundments <br />4.05.9; Ground Water Monitoring 4.05.13; Underground Mine Entry 4.05.10; Surface and Ground Water <br />Monitoring 4.05.13; Stream Buffer Zones 4.05.18: <br />o Inspectaable ponds held water at the time of inspection. <br />Number of Partial Inspection this Fiscal Year: 2 <br />Number of Complete Inspections this Fiscal Year: 1 <br />Page 2 of 6 <br />